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Comala Document Management 6.16.5 is a Confluence 7.14 compatibility update.
Feature Tour | Installation | Update / Change / Migrate | Support
If upgrading to Confluence 7.14 you will need to update your Comala Document Management app to at least v6.16.5
Update
Confluence 7.14 compatibility update
this update ensures compatibility of changes released
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in Comala Document Management v6.16.4 with Confluence v7.14+
the update relates to a workaround for an Atlassian Confluence bug that fixed a problem adding content properties to the index after rebuilding the search index